976 institutions reported holding Cboe as of 2026-03-31, totalling $25.6B. Sourced from SEC Form 13F filings, filed up to 45 days after quarter end.
#
Institution
Value
1
BlackRock, Inc.
$3.0B
2
VANGUARD CAPITAL MANAGEMENT LLC
$1.9B
3
VANGUARD PORTFOLIO MANAGEMENT LLC
$1.5B
4
STATE STREET CORP
$1.4B
5
FMR LLC
$1.3B
Source: SEC Form 13F filings via SEC EDGAR. Covers long US-listed equity only — short positions, bonds and non-US holdings are not reported on this form.